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Carbon-coated Ni/TiO2 catalysts were prepared via hydrothermal approach. Glucose and sodium chloride were dissolved in
10 mL of distilled water in the Teflon-lined stainless steel autoclave. Then, the reactor was charged with a certain amount of
the unreduced catalyst Ni/TiO2. The reactor was then sealed and
put into an oil bath and heated to 180C for 24 h under stirring.
The products were filtered off and washed several times, first with
water and then ethanol and finally dried in air for 5 h.
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